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douhatsu.co.jp screenshot

Report Summary

  • 83

    Performance

    Renders faster than
    87% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 30% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

douhatsu.co.jp

中華菜館　同發（どうはつ） - 横浜中華街の広東料理

Page Load Speed

2.8 sec in total

First Response

663 ms

Resources Loaded

2 sec

Page Rendered

146 ms

douhatsu.co.jp screenshot

About Website

Click here to check amazing Douhatsu content for Japan. Otherwise, check out these important facts you probably never knew about douhatsu.co.jp

同發は横浜中華街大通りに3店舗ある広東料理店です。同發という店名の由来は、お客様と「おなじく発展してゆくこと」。今後とも皆様に戴いた信頼を絆に一層の研鑽に勉め味覚の探求とサービスの充実に努めてまいります。

Visit douhatsu.co.jp

Key Findings

We analyzed Douhatsu.co.jp page load time and found that the first response time was 663 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

douhatsu.co.jp performance score

83

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

83/100

10%

LCP (Largest Contentful Paint)

Value4.3 s

41/100

25%

SI (Speed Index)

Value2.9 s

94/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.3 s

99/100

10%

Network Requests Diagram

douhatsu.co.jp

663 ms

main.js

322 ms

base.css

335 ms

index.css

347 ms

n_honkan.gif

163 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 95% of them (36 requests) were addressed to the original Douhatsu.co.jp, 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Douhatsu.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 27.0 kB (12%)

Content Size

223.0 kB

After Optimization

196.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Douhatsu.co.jp main page is 223.0 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 20% of websites need less resources to load. Images take 175.2 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 20.4 kB

  • Original 24.8 kB
  • After minification 19.9 kB
  • After compression 4.5 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. This page needs HTML code to be minified as it can gain 4.9 kB, which is 20% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 20.4 kB or 82% of the original size.

Image Optimization

-1%

Potential reduce by 2.5 kB

  • Original 175.2 kB
  • After minification 172.7 kB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Douhatsu images are well optimized though.

JavaScript Optimization

-7%

Potential reduce by 1.3 kB

  • Original 18.8 kB
  • After minification 18.1 kB
  • After compression 17.5 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. This website has mostly compressed JavaScripts.

CSS Optimization

-69%

Potential reduce by 2.9 kB

  • Original 4.2 kB
  • After minification 3.0 kB
  • After compression 1.3 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Douhatsu.co.jp needs all CSS files to be minified and compressed as it can save up to 2.9 kB or 69% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (24%)

Requests Now

37

After Optimization

28

  • Images
  • JavaScript
  • CSS

The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Douhatsu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

douhatsu.co.jp

douhatsu.co.jp

663 ms

main.js

main.js

322 ms

base.css

base.css

335 ms

index.css

index.css

347 ms

n_honkan.gif

n_honkan.gif

163 ms

n_honkan_ov.gif

n_honkan_ov.gif

176 ms

n_bekkan.gif

n_bekkan.gif

178 ms

n_bekkan_ov.gif

n_bekkan_ov.gif

197 ms

n_sinkan.gif

n_sinkan.gif

327 ms

n_sinkan_ov.gif

n_sinkan_ov.gif

330 ms

n_kasi.gif

n_kasi.gif

333 ms

n_kasi_ov.gif

n_kasi_ov.gif

350 ms

logo.gif

logo.gif

346 ms

ico_twitter.svg

ico_twitter.svg

370 ms

ico_insta.png

ico_insta.png

489 ms

h_navi_yurai.gif

h_navi_yurai.gif

495 ms

space.gif

space.gif

498 ms

h_navi_line.gif

h_navi_line.gif

512 ms

h_navi_access.gif

h_navi_access.gif

524 ms

h_navi_coupon.gif

h_navi_coupon.gif

542 ms

h_navi_reserve.gif

h_navi_reserve.gif

650 ms

main_ph.jpg

main_ph.jpg

988 ms

main_bg.gif

main_bg.gif

638 ms

btn_meibutsu.jpg

btn_meibutsu.jpg

819 ms

ttl_new.gif

ttl_new.gif

673 ms

line550.gif

line550.gif

690 ms

ttl_stores.gif

ttl_stores.gif

787 ms

btn_honkan.gif

btn_honkan.gif

804 ms

btn_bekkan.gif

btn_bekkan.gif

1021 ms

btn_sinkan.gif

btn_sinkan.gif

863 ms

btn_kasi.gif

btn_kasi.gif

949 ms

btn_shop2.jpg

btn_shop2.jpg

969 ms

btn_coupon.jpg

btn_coupon.jpg

986 ms

ico_link01.gif

ico_link01.gif

1036 ms

top_ph_china.jpg

top_ph_china.jpg

1111 ms

copyright.gif

copyright.gif

1126 ms

ga.js

ga.js

7 ms

__utm.gif

__utm.gif

11 ms

Accessibility Review

douhatsu.co.jp accessibility score

65

Accessibility Issues

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

douhatsu.co.jp best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

douhatsu.co.jp SEO score

69

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    JA

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Douhatsu.co.jp can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and it matches the claimed language. Our system also found out that Douhatsu.co.jp main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

douhatsu.co.jp

Open Graph description is not detected on the main page of Douhatsu. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: